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Fix blending modes for primitives.
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@sunnyps
sunnyps committed Jul 1, 2010
1 parent 11cb040 commit d12b66d
Showing 1 changed file with 48 additions and 30 deletions.
78 changes: 48 additions & 30 deletions src/video/x11/SDL_x11render.c
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Expand Up @@ -231,9 +231,11 @@ X11_CreateRenderer(SDL_Window * window, Uint32 flags)
goto fallback;
}
// Create a 1 bit depth mask
data->mask = XCreatePixmap(data->display, data->xwindow, window->w, window->h, 1);
data->mask = XCreatePixmap(data->display, data->xwindow,
window->w, window->h, 1);
data->mask_pict = XRenderCreatePicture(data->display, data->mask,
XRenderFindStandardFormat(data->display, PictStandardA1),
XRenderFindStandardFormat(data->display,
PictStandardA1),
0, NULL);
XGCValues gcv_mask;
gcv_mask.foreground = 1;
Expand Down Expand Up @@ -301,7 +303,8 @@ X11_CreateRenderer(SDL_Window * window, Uint32 flags)
if(!data->pixmap_picts[i]) {
data->use_xrender = SDL_FALSE;
}
XRenderComposite(data->display, PictOpClear, data->pixmap_picts[i], None, data->pixmap_picts[i],
XRenderComposite(data->display, PictOpClear,
data->pixmap_picts[i], None, data->pixmap_picts[i],
0, 0, 0, 0, 0, 0, window->w, window->h);
}
#endif
Expand Down Expand Up @@ -387,7 +390,8 @@ X11_DisplayModeChanged(SDL_Renderer * renderer)
if(!data->pixmap_picts[i]) {
data->use_xrender = SDL_FALSE;
}
XRenderComposite(data->display, PictOpClear, data->pixmap_picts[i], None, data->pixmap_picts[i],
XRenderComposite(data->display, PictOpClear,
data->pixmap_picts[i], None, data->pixmap_picts[i],
0, 0, 0, 0, 0, 0, window->w, window->h);
}
#endif
Expand Down Expand Up @@ -570,26 +574,8 @@ X11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
if(renderdata->use_xrender && data->pixmap) {
data->use_xrender = SDL_TRUE;
/*unsigned long x11_fmt_mask; // Format mask
XRenderPictFormat x11_templ_fmt; // Format template
x11_fmt_mask =
(PictFormatRedMask | PictFormatGreenMask
| PictFormatBlueMask | PictFormatAlphaMask);
Uint32 Rmask, Gmask, Bmask, Amask;
int bpp;
SDL_PixelFormatEnumToMasks(data->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
x11_templ_fmt.depth = bpp;
x11_templ_fmt.type = PictTypeDirect;
x11_templ_fmt.direct.red = Rmask / 0xff;
x11_templ_fmt.direct.green = Gmask / 0xff;
x11_templ_fmt.direct.blue = Bmask / 0xff;
x11_templ_fmt.direct.alpha = Amask / 0xff;
printf("%d %d %d %d\n", Rmask/0xff, Gmask/0xff, Bmask/0xff, Amask/0xff);
// Return a matching XRenderPictFormat
data->picture_fmt =
XRenderFindFormat(renderdata->display, x11_fmt_mask, &x11_templ_fmt, 0);*/
data->picture_fmt =
XRenderFindVisualFormat(renderdata->display, renderdata->visual);
XRenderFindVisualFormat(renderdata->display, renderdata->visual);
if(!data->picture_fmt) {
printf("XRenderFindFormat failed!\n");
data->use_xrender = SDL_FALSE;
Expand Down Expand Up @@ -760,16 +746,14 @@ X11_SetDrawBlendMode(SDL_Renderer * renderer)
data->blend_op = PictOpOver;
return 0;
/* FIXME case SDL_BLENDMODE_MOD: */
default: // PictOpSrc
SDL_Unsupported();
renderer->blendMode = SDL_BLENDMODE_NONE;
data->blend_op = PictOpSrc;
return -1;
#endif
return 0;
default:
SDL_Unsupported();
renderer->blendMode = SDL_BLENDMODE_NONE;
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
data->blend_op = PictOpSrc;
#endif
return -1;
}
}
Expand Down Expand Up @@ -842,21 +826,31 @@ X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
if (data->use_xrender == SDL_TRUE) {
XRenderColor foreground;
XRenderPictureAttributes attributes;
unsigned long valuemask;

foreground = xrenderdrawcolor(renderer);
/* Set the clip mask to restrict rendering to
* the primitive being drawn
*/
attributes.clip_mask = data->mask;
valuemask = CPClipMask;

XRenderComposite(data->display, PictOpClear, data->mask_pict, None, data->mask_pict,
0, 0, 0, 0, 0, 0, window->w, window->h);

XDrawPoints(data->display, data->mask, data->mask_gc, xpoints, xcount,
CoordModeOrigin);

XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
Picture fill =
XRenderCreateSolidFill(data->display, &foreground);

XRenderComposite(data->display, data->blend_op, fill, data->mask_pict,
data->drawable_pict, 0, 0, 0, 0, 0, 0, window->w, window->h);

// Reset the clip_mask
attributes.clip_mask = None;
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
XRenderFreePicture(data->display, fill);
}
else
Expand Down Expand Up @@ -1029,9 +1023,15 @@ X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
if(data->use_xrender == SDL_TRUE) {
XRenderColor xrforeground = xrenderdrawcolor(renderer);
XRenderPictureAttributes attributes;
attributes.clip_mask = data->mask;
unsigned long valuemask = CPClipMask;
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
Picture fill = XRenderCreateSolidFill(data->display, &xrforeground);
XRenderComposite(data->display, data->blend_op, fill, data->mask_pict,
data->drawable_pict, 0, 0, 0, 0, 0, 0, window->w, window->h);
attributes.clip_mask = None;
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
XRenderFreePicture(data->display, fill);
}
#endif
Expand Down Expand Up @@ -1074,15 +1074,23 @@ X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
if(data->use_xrender == SDL_TRUE) {
XRenderColor foreground;
XRenderPictureAttributes attributes;
unsigned long valuemask;

foreground = xrenderdrawcolor(renderer);
valuemask = CPClipMask;
attributes.clip_mask = data->mask;

XRenderComposite(data->display, PictOpClear, data->mask_pict, None, data->mask_pict,
0, 0, 0, 0, 0, 0, window->w, window->h);
XDrawRectangles(data->display, data->mask, data->mask_gc, xrects, xcount);
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
Picture fill =
XRenderCreateSolidFill(data->display, &foreground);
XRenderComposite(data->display, data->blend_op, fill, data->mask_pict,
data->drawable_pict, 0, 0, 0, 0, 0, 0, window->w, window->h);
attributes.clip_mask = None;
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
XRenderFreePicture(data->display, fill);
}
else
Expand Down Expand Up @@ -1139,17 +1147,27 @@ X11_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
if(data->use_xrender == SDL_TRUE) {
XRenderColor foreground;
XRenderPictureAttributes attributes;
unsigned long valuemask;

foreground = xrenderdrawcolor(renderer);

attributes.clip_mask = data->mask;
valuemask = CPClipMask;
attributes.clip_mask = data->mask;

XRenderComposite(data->display, PictOpClear, data->mask_pict, None, data->mask_pict,
0, 0, 0, 0, 0, 0, window->w, window->h);
XFillRectangles(data->display, data->mask, data->mask_gc,
xrects, xcount);

XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);

Picture fill =
XRenderCreateSolidFill(data->display, &foreground);
XRenderComposite(data->display, data->blend_op, fill, data->mask_pict,
data->drawable_pict, 0, 0, 0, 0, 0, 0, window->w, window->h);
attributes.clip_mask = None;
XRenderChangePicture(data->display, data->drawable_pict, valuemask, &attributes);
XRenderFreePicture(data->display, fill);
}
else
Expand Down

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